Mining Incidents

Sumner Pit And Plant Metal/Non-Metal

Controlled by Heidelberg Materials AG
Sumner, Pierce County, WA  ·  Active
MSHA Mine ID: 4500705

Sumner Pit And Plant has $24K in proposed MSHA penalties and $151 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
3
Years on record
2020–2025
Latest incident
Jul 2025
Compliance record
MSHA citations since 2010
74
citations
12
significant & substantial
$24,336
proposed penalties
$22,605
paid to date
93% of proposed penalties paid to date, a $1,731 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2010
29
inspections on record
592
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 592 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Sumner Pit And Plant has $24K in proposed MSHA penalties and $151 outstanding across 1 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$24K
proposed penalties
$23K
current assessed
$23K
paid to date
$151
outstanding
71 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-11-17.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 8,769 7 1 798.3
2025 Q3 7,970 1 0 125.5
2025 Q2 8,527 0 0 0.0
2025 Q1 9,798 1 0 102.1
2024 Q4 8,239 0 0 0.0
2024 Q3 8,651 0 0 0.0
2024 Q2 11,494 3 0 261.0
2024 Q1 10,473 2 0 191.0
Show 44 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 9,652 0 0 0.0
2023 Q3 10,809 1 0 92.5
2023 Q2 10,089 0 0 0.0
2023 Q1 10,016 0 0 0.0
2022 Q4 8,501 0 0 0.0
2022 Q3 8,846 0 0 0.0
2022 Q2 8,249 0 0 0.0
2022 Q1 9,146 32 9 3498.8
2021 Q4 9,892 0 0 0.0
2021 Q3 8,685 1 0 115.1
2021 Q2 5,981 0 0 0.0
2021 Q1 7,916 1 0 126.3
2020 Q4 7,913 0 0 0.0
2020 Q3 8,787 4 1 455.2
2020 Q2 5,800 0 0 0.0
2020 Q1 5,253 0 0 0.0
2019 Q4 5,248 3 0 571.6
2019 Q3 5,129 0 0 0.0
2019 Q2 5,404 7 0 1295.3
2019 Q1 1,687 0 0 0.0
2018 Q4 4,283 1 0 233.5
2018 Q3 4,928 1 0 202.9
2018 Q2 3,787 0 0 0.0
2018 Q1 2,278 2 1 878.0
2017 Q4 2,325 0 0 0.0
2017 Q3 2,972 0 0 0.0
2017 Q2 2,570 1 0 389.1
2017 Q1 2,490 0 0 0.0
2016 Q4 2,008 0 0 0.0
2016 Q3 3,896 0 0 0.0
2016 Q2 2,225 0 0 0.0
2016 Q1 2,175 0 0 0.0
2015 Q4 3,578 0 0 0.0
2015 Q3 3,888 0 0 0.0
2015 Q2 5,465 1 0 183.0
2015 Q1 3,020 0 0 0.0
2012 Q4 0 0 0
2012 Q3 0 0 0
2012 Q2 0 0 0
2012 Q1 0 0 0
2011 Q4 0 0 0
2011 Q3 0 0 0
2011 Q1 0 0 0
2010 Q4 250 3 0 12000.0
No fatalities recorded at this mine.

Reportable incidents

3 on file

2025 · 1 incident

July 14, 2025 WA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Corliss Resources, LLC · Struck against a moving object

Operator was hauling mud in a 980H loader when EE hit a bump in the haul road and received a possible pinched nerve in EE's neck. EE is seeing a physical therapist for pain relief. No time lost, no light duty restrictions, still working job of injury.

2022 · 1 incident

January 25, 2022 WA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Corliss Resources, LLC · Fall from machine

Employee fell from approx 35 feet height despite area being surrounded by guardrails.

2020 · 1 incident

September 29, 2020 WA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Corliss Resources, LLC · Struck by falling object

Employees where changing cloth on Mud Press. The mud press plate dropped on IE's left hand.

For insurers, brokers, and safety consultants

The full compliance file on Sumner Pit And Plant

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.